arm64: KVM: VHE: Clear HCR_TGE when invalidating guest TLBs

When invalidating guest TLBs, special care must be taken to
actually shoot the guest TLBs and not the host ones if we're
running on a VHE system.  This is controlled by the HCR_EL2.TGE
bit, which we forget to clear before invalidating TLBs.

Address the issue by introducing two wrappers (__tlb_switch_to_guest
and __tlb_switch_to_host) that take care of both the VTTBR_EL2
and HCR_EL2.TGE switching.

Reported-by: Tomasz Nowicki <[email protected]>
Tested-by: Tomasz Nowicki <[email protected]>
Reviewed-by: Christoffer Dall <[email protected]>
Cc: [email protected]
Signed-off-by: Marc Zyngier <[email protected]>

0 files changed, 0 insertions, 0 deletions